{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:VHVCZQQDJRJG2XL3JIQEGQVBXF","short_pith_number":"pith:VHVCZQQD","canonical_record":{"source":{"id":"1105.0487","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-05-03T06:56:58Z","cross_cats_sorted":[],"title_canon_sha256":"54ba8b9ff95de5b592fff95502156f50643db375991aa6e9a7e883bfa562fe33","abstract_canon_sha256":"a5f4b4249d76711f4663b4485992e751aea766c7f8e650c2fad5c993484c106a"},"schema_version":"1.0"},"canonical_sha256":"a9ea2cc2034c526d5d7b4a204342a1b968bb237de946e0f1c03dc5653eeece6b","source":{"kind":"arxiv","id":"1105.0487","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.0487","created_at":"2026-05-18T01:12:02Z"},{"alias_kind":"arxiv_version","alias_value":"1105.0487v1","created_at":"2026-05-18T01:12:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.0487","created_at":"2026-05-18T01:12:02Z"},{"alias_kind":"pith_short_12","alias_value":"VHVCZQQDJRJG","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"VHVCZQQDJRJG2XL3","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"VHVCZQQD","created_at":"2026-05-18T12:26:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:VHVCZQQDJRJG2XL3JIQEGQVBXF","target":"record","payload":{"canonical_record":{"source":{"id":"1105.0487","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-05-03T06:56:58Z","cross_cats_sorted":[],"title_canon_sha256":"54ba8b9ff95de5b592fff95502156f50643db375991aa6e9a7e883bfa562fe33","abstract_canon_sha256":"a5f4b4249d76711f4663b4485992e751aea766c7f8e650c2fad5c993484c106a"},"schema_version":"1.0"},"canonical_sha256":"a9ea2cc2034c526d5d7b4a204342a1b968bb237de946e0f1c03dc5653eeece6b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:02.080259Z","signature_b64":"JsnKky3mEvWFkVGKamHQCklfs6K2Q79evi/1tXMQg3Cg++xbAKfkEHccTSsB7lE6TZhuanuqxi2eKW0w1p5XBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9ea2cc2034c526d5d7b4a204342a1b968bb237de946e0f1c03dc5653eeece6b","last_reissued_at":"2026-05-18T01:12:02.079930Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:02.079930Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.0487","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:12:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ccw8Br0ARsEDvHC+5aT71kNVKPPitok69IddsdzUD+/QvyYb8yDEnSai4zhEwWEBesnfJ/tBUVNX2pBFyTGUAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:02:33.523012Z"},"content_sha256":"122ea5a77e81e2011682dda29adc55c929143ede65e41c604d8eb3a7815eafe1","schema_version":"1.0","event_id":"sha256:122ea5a77e81e2011682dda29adc55c929143ede65e41c604d8eb3a7815eafe1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:VHVCZQQDJRJG2XL3JIQEGQVBXF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Production of neutron-rich nuclei in fragmentation reactions of 132Sn projectiles at relativistic energies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Heinz, A. Keli\\'c, A. Trzci\\'nska, B. Blank, D. Dragosavac, D. P\\'erez-Loureiro, E. Casarejos, F. Montes, H. \\'Alvarez-Pol, J. Benlliure, J. Taieb, K. Helariutta, K-H. Schmidt, K. Suboti\\'c, K. S\\\"ummerer, L. Pie\\'nkowski, M. Gasc\\'on, M. Staniou, S. Luki\\'c, V. F\\\"ohr, W. Gawlikowicz","submitted_at":"2011-05-03T06:56:58Z","abstract_excerpt":"The fragmentation of neutron-rich 132Sn nuclei produced in the fission of 238U projectiles at 950 MeV/u has been investigated at the FRagment Separator (FRS) at GSI. This work represents the first investigation of fragmentation of medium-mass radioactive projectiles with a large neutron excess. The measured production cross sections of the residual nuclei are relevant for the possible use of a two-stage reaction scheme (fission+fragmentation) for the production of extremely neutron-rich medium-mass nuclei in future rare-ion-beam facilities. Moreover, the new data will provide a better understa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.0487","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:12:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Eh7Q+yQ+qCnon3lgW7x92IlCGpdVhpzgrvSIiHpDRGpHp+oSbwEmsZOsQ85YSh1Q/wbZiNU6d6odJNMhVtkMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:02:33.523688Z"},"content_sha256":"eb078fa662e2799d7cd1492f3f4a5e014affd5fc96e020c9ea2f6ac92d9bdc68","schema_version":"1.0","event_id":"sha256:eb078fa662e2799d7cd1492f3f4a5e014affd5fc96e020c9ea2f6ac92d9bdc68"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VHVCZQQDJRJG2XL3JIQEGQVBXF/bundle.json","state_url":"https://pith.science/pith/VHVCZQQDJRJG2XL3JIQEGQVBXF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VHVCZQQDJRJG2XL3JIQEGQVBXF/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-25T18:02:33Z","links":{"resolver":"https://pith.science/pith/VHVCZQQDJRJG2XL3JIQEGQVBXF","bundle":"https://pith.science/pith/VHVCZQQDJRJG2XL3JIQEGQVBXF/bundle.json","state":"https://pith.science/pith/VHVCZQQDJRJG2XL3JIQEGQVBXF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VHVCZQQDJRJG2XL3JIQEGQVBXF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:VHVCZQQDJRJG2XL3JIQEGQVBXF","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a5f4b4249d76711f4663b4485992e751aea766c7f8e650c2fad5c993484c106a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-05-03T06:56:58Z","title_canon_sha256":"54ba8b9ff95de5b592fff95502156f50643db375991aa6e9a7e883bfa562fe33"},"schema_version":"1.0","source":{"id":"1105.0487","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.0487","created_at":"2026-05-18T01:12:02Z"},{"alias_kind":"arxiv_version","alias_value":"1105.0487v1","created_at":"2026-05-18T01:12:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.0487","created_at":"2026-05-18T01:12:02Z"},{"alias_kind":"pith_short_12","alias_value":"VHVCZQQDJRJG","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"VHVCZQQDJRJG2XL3","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"VHVCZQQD","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:eb078fa662e2799d7cd1492f3f4a5e014affd5fc96e020c9ea2f6ac92d9bdc68","target":"graph","created_at":"2026-05-18T01:12:02Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The fragmentation of neutron-rich 132Sn nuclei produced in the fission of 238U projectiles at 950 MeV/u has been investigated at the FRagment Separator (FRS) at GSI. This work represents the first investigation of fragmentation of medium-mass radioactive projectiles with a large neutron excess. The measured production cross sections of the residual nuclei are relevant for the possible use of a two-stage reaction scheme (fission+fragmentation) for the production of extremely neutron-rich medium-mass nuclei in future rare-ion-beam facilities. Moreover, the new data will provide a better understa","authors_text":"A. Heinz, A. Keli\\'c, A. Trzci\\'nska, B. Blank, D. Dragosavac, D. P\\'erez-Loureiro, E. Casarejos, F. Montes, H. \\'Alvarez-Pol, J. Benlliure, J. Taieb, K. Helariutta, K-H. Schmidt, K. Suboti\\'c, K. S\\\"ummerer, L. Pie\\'nkowski, M. Gasc\\'on, M. Staniou, S. Luki\\'c, V. F\\\"ohr, W. Gawlikowicz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-05-03T06:56:58Z","title":"Production of neutron-rich nuclei in fragmentation reactions of 132Sn projectiles at relativistic energies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.0487","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:122ea5a77e81e2011682dda29adc55c929143ede65e41c604d8eb3a7815eafe1","target":"record","created_at":"2026-05-18T01:12:02Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"a5f4b4249d76711f4663b4485992e751aea766c7f8e650c2fad5c993484c106a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-05-03T06:56:58Z","title_canon_sha256":"54ba8b9ff95de5b592fff95502156f50643db375991aa6e9a7e883bfa562fe33"},"schema_version":"1.0","source":{"id":"1105.0487","kind":"arxiv","version":1}},"canonical_sha256":"a9ea2cc2034c526d5d7b4a204342a1b968bb237de946e0f1c03dc5653eeece6b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a9ea2cc2034c526d5d7b4a204342a1b968bb237de946e0f1c03dc5653eeece6b","first_computed_at":"2026-05-18T01:12:02.079930Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:02.079930Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JsnKky3mEvWFkVGKamHQCklfs6K2Q79evi/1tXMQg3Cg++xbAKfkEHccTSsB7lE6TZhuanuqxi2eKW0w1p5XBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:02.080259Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.0487","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:122ea5a77e81e2011682dda29adc55c929143ede65e41c604d8eb3a7815eafe1","sha256:eb078fa662e2799d7cd1492f3f4a5e014affd5fc96e020c9ea2f6ac92d9bdc68"],"state_sha256":"0a74f561221ff5760b12ffcc404bd5c10ed6b9848d1c1e68f5a7230d7a66ba50"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DruWRWY2AXuE9yuRokGrlGl46zzch2dZ/jL8CU1hUQyiZKuU6yWJLyYcW42l51/QiRLVRY1HxzEPPI9w9n12AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:02:33.527461Z","bundle_sha256":"f9cd06052438dfef06c470bff274587b56ce8238b74ac10cbee5f0fa9c8b9aaf"}}